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Finding the Fourth Proportional to 296,479.31, 444,738.78 and 104,330.86

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Solution

The fourth proportional to 296,479.31, 444,738.78 and 104,330.86 is: 156,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,479.31 : 444,738.78 = 104,330.86 : x
  2. Step 2: Convert to fraction form
    296,479.31/444,738.78 = 104,330.86/x
  3. Step 3: Cross multiply
    296,479.31x = 444,738.78 × 104,330.86
  4. Step 4: Simplify right side
    296,479.31x = 46,399,978,280.90
  5. Step 5: Solve for x
    x = 46,399,978,280.90/296,479.31
  6. Step 6: Final answer
    x = 156,503.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.